Government Shuts Down as Talks Fail to Break Impasse
袋小路とか、行き詰まりとか、そういう意味ですね。ちなみにOxford Dictionary of Englishを紐解けば
"a situation in which no progress is possible, especially because of disagreement; a deadlock" (Oxford Dictionary of English)
と説明されてます。やれやれですね〜